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2. Elements
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Step 8
Question
Select all choices which are true of any
tree
A way of representing the structure of information.
.
A
node
A part of a tree.
can have more
siblings
A sibling of a node x is a node with the same parent as x.
than
children
A node "below" a node in a tree, connected by an edge.
.
A
node
A part of a tree.
can have more
children
A node "below" a node in a tree, connected by an edge.
than
descendants
A child or child of a child or so on.
.
A
node
A part of a tree.
must have exactly one
parent
The node "above" a node in a tree, connected by an edge.
.
Every
edge
A connection between nodes in a tree.
goes between a
parent
The node "above" a node in a tree, connected by an edge.
and a
child
A node "below" a node in a tree, connected by an edge.
.
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